Fujitsu AUUH18LUAS - External Input and Output (for Indoor Unit)

3. External input and output (for indoor unit)
Fig. External input and output PCBFig. Indoor unit PCB
Terminal
(External in)
CN48
(IR receiver)
CN65
CN75
CN47
(External out)
Rotary switch
SW2
SW1
Connecting point Input/Output Function Input select Input signal
Indoor unit
Terminal Input
Operation/Stop
Dry contact Edge
Forced stop
CN47 Output
Operation/Stop
— —
Error status
Indoor unit fan
operation status
Cooling thermostat
On
Heating thermostat
On
External heater
output
External Input
and Output PCB
(UT↔-↓CS↓)
Ex IN 1/2
Input
Operation/Stop
Dry contact/Apply
voltage
Edge/Pulse
Ex IN 1
Forced thermostat
off
Edge
Ex OUT 1
Ex OUT 2
Ex OUT 3
Output
Operation/Stop
— —
Error status
Indoor unit fan
operation status
External heater
output
Cooling high/low
output
Heating thermostat
On
NOTE: For details of the switching function, refer to "Setting of external input and output" on page
05-18.
- (05-14) - 3. External input and output (for indoor unit)
FIELD WORKING FIELD WORKING